Nagusa

The son of the leader of the Jade.
He has been promised the position of the next leader.
Because of his tall stature and handsome looks, he attracts the attention of the island's women.
He is good friends with Kanan because of their similar status and age.

In "Catharsis" he developed a whitening powder to hide the marks left by Haku, which became popular among women.
He is still on good terms with Kanan.